private Tuple <Material, Media3D.Transform3D> LoadBeetle()
{
var data = ReadDat("stagbeetle208x208x123.dat", out var width, out var height, out var depth);
var m = new VolumeTextureDiffuseMaterial();
ushort max = data.Max();
uint[] histogram = new uint[max + 1];
float[] fdata = new float[data.Length];
for (int i = 0; i < data.Length; ++i)
{
fdata[i] = (float)data[i] / max;
histogram[data[i]]++;
}
var transferMap = GetTransferFunction(histogram, data.Length, 1, 0.0001f);
var gradients = VolumeDataHelper.GenerateGradients(fdata, width, height, depth, 1);
VolumeDataHelper.FilterNxNxN(gradients, width, height, depth, 3);
m.Texture = new VolumeTextureGradientParams(gradients, width, height, depth);
m.Color = new Color4(0, 1, 0, 0.4f);
var transform = new Media3D.ScaleTransform3D(1, 1, 1);
transform.Freeze();
m.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, transform));
}
private Tuple <Material, Media3D.Transform3D> LoadSkull()
{
var m = new VolumeTextureDiffuseMaterial();
var data = VolumeTextureRawDataMaterialCore.LoadRAWFile("male128x256x256.raw", 128, 256, 256);
m.Texture = ProcessData(data.VolumeTextures, data.Width, data.Height, data.Depth, out var transferMap);
m.Color = new Color4(0.6f, 0.6f, 0.6f, 1f);
m.TransferMap = transferMap;
m.Freeze();
var rotate = Matrix.RotationAxis(new Vector3(1, 0, 0), (float)Math.PI);
var transform = new Media3D.MatrixTransform3D(rotate.ToMatrix3D());
transform.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, transform));
}
private Tuple <Material, Media3D.Transform3D> LoadTeapot()
{
//var m = new VolumeTextureRawDataMaterial();
//m.Texture = VolumeTextureRawDataMaterialCore.LoadRAWFile("teapot256x256x178.raw", 256, 256, 178);
var m = new VolumeTextureDiffuseMaterial();
var data = VolumeTextureRawDataMaterialCore.LoadRAWFile("teapot256x256x178.raw", 256, 256, 178);
m.Texture = ProcessData(data.VolumeTextures, data.Width, data.Height, data.Depth, out var transferMap);
m.Color = new Color4(1, 1, 1, 0.4f);
m.TransferMap = transferMap;
m.Freeze();
var transform = new Media3D.RotateTransform3D(new Media3D.AxisAngleRotation3D(new Vector3D(1, 0, 0), 180));
transform.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, transform));
}
private Tuple <Material, Media3D.Transform3D> LoadTeapot()
{
//var m = new VolumeTextureRawDataMaterial();
//m.Texture = VolumeTextureRawDataMaterialCore.LoadRAWFile("teapot256x256x178.raw", 256, 256, 178);
var m = new VolumeTextureDiffuseMaterial();
var data = VolumeTextureRawDataMaterialCore.LoadRAWFile("teapot256x256x178.raw", 256, 256, 178);
m.Texture = ProcessData(data.VolumeTextures, data.Width, data.Height, data.Depth, out var transferMap);
m.Color = new Color4(1, 1, 1, 0.4f);
m.TransferMap = transferMap;
m.Freeze();
var scale = Matrix.Scaling(2, 2, 178 / 256f * 2);
var rotate = Matrix.RotationAxis(new Vector3(1, 0, 0), (float)Math.PI);
var t = new Media3D.MatrixTransform3D((scale * rotate).ToMatrix3D());
t.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, t));
}
